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The map

Every question, and what it touches.

Questions sit at the depth of their uncertainty. Choose one and you can see everything it touches.

Surface

0 to 200 m

Things we understand reasonably well.

Shallows

200 to 1,000 m

Interesting questions with substantial evidence and real uncertainty remaining.

Deep

1,000 to 4,000 m

Major unanswered questions.

Abyss

4,000 to 6,000 m

Fundamental questions where our understanding is extremely limited.

Unknown

6,000 to 11,000 m

Questions where we may not even know what an answer would look like if we found one.

Depth runs down the page. Select a question to see what connects to it.

Showing the full cross-section.